Trollhunters - Season 3

In the final season of DreamWorks Trollhunters, the Trollhunters are racing to stop Gunmar and the now resurrected Morgana from bringing about the Eternal Night and shrouding the world in darkness forever. To defeat them, the team must seek the help of the legendary wizard Merlin to unlock his ancient magic and unleash a powerful weapon that will alter the course of their lives forever.